Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552839 | Optical switch | Yoon Shik Hong, Joon Seok Kang, Sung Cheon Jung, Jung-hyun Lee, Hyun Kee Lee | 2003-04-22 |
SY
Sang Kee YOON
Overall (2003): #123,654 of 273,478Top 50%
1
Patents 2003